<?php
declare (strict_types = 1);

namespace app\admin\validate;

use think\Validate;

class AdminUser extends Validate
{
    /**
     * 定义验证规则
     * 格式：'字段名' =>  ['规则1','规则2'...]
     *
     * @var array
     */
    protected $rule = [
        'username' => 'require',
        'password' => 'require',
        'captcha'  => 'require|checkCaptcha'
    ];

    /**
     * 定义错误信息
     * 格式：'字段名.规则名' =>  '错误信息'
     *
     * @var array
     */
    protected $message = [
        'username.require' => '用户名不可为空!',
        'password.require' => '密码不可为空!',
        'captcha.require'  => '验证码不可为空!',
    ];

    public function checkCaptcha($value, $rule, $data = [])
    {
        if (!captcha_check($value)) return "验证码错误!";
        return true;
    }
}
